MCP1827S Microchip Technology Inc., MCP1827S Datasheet - Page 13

• Manufacturer Part Number: MCP1827S
• Description: 1.5a, Low Voltage, Low Quiescent Current Ldo Regulator
• Manufacturer: Microchip Technology Inc.

Note: Unless otherwise indicated, V
Ceramic (X7R), I
FIGURE 2-25:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-26:
Rejection (PSRR) vs. Frequency (V
Fixed).
FIGURE 2-27:
©
2007 Microchip Technology Inc.
-10
-20
-30
-40
-50
-60
-70
-80
-10
-20
-30
-40
-50
-60
-70
-80
0
0
0.01
0.01
0.1
0.1
OUT
= 1 mA, Temperature = +25°C, V
Frequency (kHz)
Frequency (kHz)
Power Supply Ripple
Power Supply Ripple
2.5V (Adj.) Startup from V
1
1
V
C
V
C
I
V
C
V
C
I
OUT
OUT
R
OUT
IN
IN
R
OUT
IN
IN
=3.3V Fixed
=3.3V Fixed
=3.9V
=3.9V
=0 μF
=0 μF
=10 mA
=10 mA
=10 μF ceramic X7R
=22 μF ceramic X7R
10
10
OUT
100
100
OUT
OUT
= 1.8V (Adjustable), V
= 3.3V
= 3.3V
1000
1000
IN
.
IN
= V
OUT
IN
MCP1827/MCP1827S
FIGURE 2-28:
Shutdown.
FIGURE 2-29:
Timing.
FIGURE 2-30:
(3.3V Fixed).
+ 0.6V, R
= 2.8V, C
PWRGD
OUT
= 4.7 µF Ceramic (X7R), C
= 10 kΩ To V
2.5V (Adj.) Startup from
Power Good (PWRGD)
Dynamic Line Response
IN
.
DS22001C-page 13
IN
= 4.7 µF